Comparison

Diary with lock vs Diary Go

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Diary with lock

Create a secure personal journal to record daily events, thoughts, and secrets. Protect your entries with a password or PIN code and customize the look with different colors and fonts. This app offers a simple, fast, and user-friendly way to document your life.

Highlights
  • Password & PIN code protection
  • Customizable background colors
  • Changeable font styles
  • Easy-to-use interface
  • Searchable entries
  • Unlimited entries
  • Multi-language support
Features
Read full description

Use "Diary with lock" app to make your own personal journal of daily events, appointments, secrets and feelings. ****************FEATURES**************** • Diary with lock: Password & pin code protection • Diary with lock: Personalize background color (Pink, Purple, Blue, ++) • Diary with lock: Change font-style • Diary with lock: Easy to use • Diary with lock: Search entries • Diary with lock: Make unlimited entries • Diary with lock: Support 3 languages: English, Japanese, Vietnamese. • Diary with lock: The most downloaded diary app on AppStore! ******************************************* Build from the ground up to be simple and user friendly, the user interface is designed to allow you to enter new notes quickly and easily. With this Diary you can write all your private notes and secure them with a pin code or password. * Track and write about your daily activities Make it a habit to quickly write one or more mini-notes during your day. Simply leave a few words about your workout session, what happened at school or in the office during your day. In weekends, you can write about all the fun you had walking your dog, meeting with friends, or being social with your family. Make it a unique travel diary, or road journal that documents your journey. This can be the daily activity log you always have wanted. Make it your personal journal and have fun reading it over in few year, and share a few laughs with your friends. As this app is pure textual, and contains no images or photos, it runs ultra fast and smooth on any iOS device, and consumes minimal of available memory and disk-space! * This diary is perfect to use as: 1. Diet journal A food diary is a daily record of all food consumed as a means of tracking calorie consumption, weight loss or other nutritional monitoring. 2. Dream journal Or dream diary is a journal in which dream experiences are recorded for later analysis and possibly oneiromancy. 3. Sleep diaries A sleep log is a tool used in diagnosis of sleep disorders. 4. Travel journals A travel diary, or road journal, is valuable documentation of a journey. (only textual, no images or photos) 5. Write your own Autobiography This diary app can easily fit the purpose of a writing down your memoir or chronicle. Keep a log or logbook to record history. Do like famous Anne Frank, make daily records, document life in your own daybook. Never forget a journal entry again, setup a reminder to alert you when it is time to write. Protect all personal notes by adding a pin code when it starts up. Never worry about losing memories again. Easily send a backup of diary entries directly to email for extra protection. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://privacy-policy-site-five-nu.vercel.app

About

Diary Go

Features
Read full description

Keep your daily moments together with Diary Go. Write diary entries, attach photos, and browse your memories by date. Choose a light or dark appearance and use the app in English, Traditional Chinese, Simplified Chinese, or Japanese. Free features: • Write and edit diary entries • Attach photos • Browse entries on a calendar • View previous versions in Diary History Diary Pro Lifetime: Unlock these features with one purchase, with no subscription: • Sync diary entries and photos between your devices using your private iCloud account • Import diary text from Excel and CSV files • Export current entries and photos in a ZIP file Your diary is stored on your device. Optional iCloud sync runs while the app is open and when you return to it. An iCloud account and available storage are required for sync. Support: https://diary-go.pages.dev/support/ Privacy policy: https://diary-go.pages.dev/privacy/

Screenshots

Diary with lock4 screens
Diary Go4 screens

Verdict

The call

The clearest difference is update cadence: Diary Go at every 4 days against Diary with lock's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Diary with lock sells 3 in-app purchases, starting at $9.99 per month and Diary Go sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Diary with lock ships an update every 6 weeks, Diary Go every 4 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 9 level
Diary with lock versus Diary Go: the parameters behind the verdict, then further details
ParameterDiary with lockDiary Go
PriceFreeFree
Rating4.3 (1.2K ratings) — better—
Positive reviews65.6% of reviews—
Number of ratings1.2K — better—
Update frequencyEvery 6 weeksEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.4
Further details — not scored
Size39 MB39 MB
Age rating4+4+
DeveloperTuyen BuiNgo Hin Tam

Bugs and requests

Diary with lock

Reported bugs

3 issues
  • Entries randomly disappearing
  • Constant redirects to ads when trying to write
  • Login/password reset not working properly

Requested features

4 requests
  • Backup and sync entries across devices
  • Fingerprint/Face ID support for locking
  • Ability to change font size and color
  • Option to disable ads for paid users

Diary Go

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Diary with lock

Subscriptions1
  • Cloud Sync Monthly$9.991 Month
One-time2
  • Donate to Developer$5.99
  • Diary with lock-No Advertising$8.99
1 purchases

Diary Go

One-time1
  • Diary Pro Lifetime$4.99

Questions

Is Diary with lock free?
Diary with lock is free to download, with in-app purchases available.
Is Diary Go free?
Diary Go is free to download, with in-app purchases available.
Do Diary with lock or Diary Go have ads?
Neither Diary with lock nor Diary Go shows ads.
Which is updated more often, Diary with lock or Diary Go?
Diary with lock ships an update every 6 weeks, and Diary Go every 4 days. Most recently, Diary with lock was updated on November 2, 2026 and Diary Go on October 31, 2026.

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